FL1 TD4. Not to bore you, Lock down year Sum's

Hello all.
Flicking through stuff, i always keep fuel receipts and note the mileage each year. After some local fill up stations were found to be fiddling at the pumps some time back.
So, in this lock down year I spent £690.00 on Diesel, £21.00 on a filter kit, £31.00. On 5w40. Full synthetic oil (Shell Helix)
And did 3,787 miles, Better brains than me can work out the miles to Gallon, but I do let it tick over a bit before setting off.
Its a 2003 TD4 With 123,000mls on the clock, and I love it. What a work horse! Ive had it since 70,000mls.
Hope all are keeping well. Thanks for your help in 2020.
Cheers Gary.

Good endorsement

~23mpg - and I'm glad you are enjoying it, it's obviously well-loved, as dang man - its shiny! "Missus Ridium's" car is a black estate, I use cut black polish/wax on it, comes up lovely, going by the reflections I guess you do something similar?

Jayridium said:

~23mpg - and I'm glad you are enjoying it, it's obviously well-loved, as dang man - its shiny! "Missus Ridium's" car is a black estate, I use cut black polish/wax on it, comes up lovely, going by the reflections I guess you do something similar?

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I have not worked out the MPG so will go with Jay above, 23mpg that is low compared to when i had my FL1 i used to do roughly about the same mileage each year, some motorway miles but 75% local running around as was getting 34mpg i wonder if the OP (Gary) Fl1 is running cool so not getting up to temp as it should, if so the inline stat would help, those mpg. Also clean manifold EGR, & MAP sensor, clean air filter, and PCV filter, with a bottle of this added every six months.
( TWO ) 2 x Comma Deisel Injector Magic 400ml Treatment Fuel System Additive | eBay

Jayridium said:

~23mpg

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In reality it'll be less than that, as it's running the smallest diameter tyres LR fitted to the FL1. The speedometer over-reads by 5% with the largest diameter factory tyre, which was 195/80/15, given a diameter of 27.28", and 741 revolutions per mile.
So having 225/55/17 tyres fitted, the diameter drops to 26.73" and the revolutions per mile increase to 757 per mile.
This makes the speedometer over-read by 7% if my maths is ok.

Without knowing the price per litre paid (and converting to gallons), there is no way of working out the MPG.

Just to illustrate that; if the OP paid £1/litre, he used 690 litres (151.78 gallons) therefore MPG would be 24.95.
If he paid a more realistic £1.15/litre, he used 600 litres (131.98 gallons) MPG is 28.69.

In reality it’s more likely he paid a range of prices throughout the year as prices changed and different fuel stations were used. Generally better (if you are interested) to check MPG at each fill up whilst the details are available on the receipt (or pump). That way you get an indication of any problems with the car as mpg will generally suffer, allowing for variations in journeys and similar driving style.

Of course the op could go back through all of his receipts and get the price per litre paid and work it out properly, but we’ve all got better things to do surely?.....

Thanks for all your replies.
Interesting comments, of course during lock down it didn't move much, and if it did it was only very short haul. I get in normal years an average of 280-300mls per £50.00 fill up. mix motoring, as I say, on cold mornings I let it tick over for ten mins before setting off.
Six bottles of injector cleaner on the way!
Thanks Pals.
Cheers